fix(formatter): fix to prevent formatter from breaking malformed attribute tags

closes #317

src/djlint/settings.py

@@ -486,22 +486,22 @@ class Config:
         )
         self.attribute_pattern: str = (
             r"""
-            (?:[^\s]+?=(?:\"[^\"]*?"""
+            (?:[^\s]+?[ ]*?=[ ]*?(?:\"[^\"]*?"""
             + self.template_if_for_pattern
             + r"""[^\"]*?\"|\'[^\']*?"""
             + self.template_if_for_pattern
             + r"""[^\']*?\'))
-            | (?:[^\s]+?=(?:\"[^\"]*?{{.*?}}[^\"]*?\"|\'[^\']*?{{.*?}}[^\']*?\'))
+            | (?:[^\s]+?[ ]*?=[ ]*?(?:\"[^\"]*?{{.*?}}[^\"]*?\"|\'[^\']*?{{.*?}}[^\']*?\'))
             | """
             + self.template_if_for_pattern
             + r"""
-            | (?:[^\s]+?=(?:\"(?:[^\"]*?{%[^}]*?%}[^\"]*?)+?\"))
-            | (?:[^\s]+?=(?:\'(?:[^\']*?{%[^}]*?%}[^\']*?)+?\'))
-            | (?:[^\s]+?=(?:\".*?\"|\'.*?\'))
+            | (?:[^\s]+?[ ]*?=[ ]*?(?:\"(?:[^\"]*?{%[^}]*?%}[^\"]*?)+?\"))
+            | (?:[^\s]+?[ ]*?=[ ]*?(?:\'(?:[^\']*?{%[^}]*?%}[^\']*?)+?\'))
+            | (?:[^\s]+?[ ]*?=[ ]*?(?:\".*?\"|\'.*?\'))
             | required
             | checked
             | (?:\w|-|\.)+
-            | (?:\w|-|\.)+=(?:\w|-)+
+            | (?:\w|-|\.)+[ ]*?=[ ]*?(?:\w|-)+
             | {{.*?}}
             | {%.*?%}
         """

tests/test_html/test_attributes.py

@@ -83,6 +83,14 @@ def test_long_attributes(runner: CliRunner, tmp_file: TextIO) -> None:
     )
     assert output.exit_code == 0
 
+    # attributes with space around = are not brocken
+    output = reformat(
+        tmp_file,
+        runner,
+        b"""<a href = "http://test.test:3000/testtesttesttesttesttesttesttesttesttest">Test</a>\n""",
+    )
+    assert output.exit_code == 0
+
 
 def test_ignored_attributes(runner: CliRunner, tmp_file: TextIO) -> None:
     output = reformat(